This 16" x 20" photograph has been personally hand-signed by Jack Ham, Andy Russell, and Jack Lambert with the inscriptions "HOF88; HOF 90." It is officially licensed by the National Football League and comes with an individually numbered, tamper evident hologram from Fanatics Authentic. To ensure authenticity, the hologram can be reviewed online. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud.